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Real-time insider trading signals and institutional investor tracking powered by SEC Form 4 and 13F filings.

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Data delayed up to 45 days from quarter end.

AI Analysis

Analyst Take

Major fund pages carry a quarterly AI-written analysis of the filing — key moves, concentration, sector tilts and how the clone portfolio has performed.

Not investment advice. Past holdings do not predict future returns.

Tom Gayner 13F Holdings | MARKEL GROUP INC. Portfolio Q2 2026

Tom Gayner

CEO, Markel Group

ValueAUM $13.13BPositions 130Q2 2026

🏆 Clone Portfolio Track Record

Rank #50 of 69 by 3-year alpha vs SPY · mechanically replicating this book, rebalanced at filing dates

A strong clone record is a track record, not a forecast — tested across a decade it doesn't reliably repeat. See what actually holds up →

Tom Gayner is the chief executive and longtime investment chief of Markel Group, an insurance-and-investment holding company often called a 'baby Berkshire.' He compounds Markel's insurance float into a low-turnover portfolio of high-quality, durable businesses.